EI08046 - Manual Transmission Grinds in Either Third or Fourth Gear When Clutch is Fully Disengaged (Replace 3rd and 4th Gear Blocker Rings)
| Subject: | EI08046 - Manual Transmission Grinds in Either Third or Fourth Gear When Clutch is Fully Disengaged (Replace 3rd and 4th Gear Blocker rings) |
| Models: | 2008 Chevrolet Cobalt, HHR |
| 2008 Pontiac G5 |
| with Manual Transmission (RPO M86) |
This bulletin is being issued to close the request for information and provide results and an interim correction for this condition. Please discard Corporate Bulletin Number 08-07-29-001 (Section 07- Transmissions)
Condition
Some customers may comment on a grinding noise in third or fourth gear when the clutch is fully disengaged.
Cause
Based on feedback provided by dealer technicians, engineering was able to determine the manual transmission grinding in 3rd or 4th gear.
It is possible to correct the condition by replacing the 3rd and 4th gear blocker rings.
Correction
Engineering is currently validating a new design material for the 3rd and 4th gear blocker rings.
As an interim fix, replace the 3rd and 4th gear blocker rings. When the new parts become available, this bulletin will be updated with the new part information.
Parts Information
Parts | Description | Quantity |
|---|---|---|
19178007 | Ring, Blocker | 2 |
Warranty Information
For vehicles repaired under warranty, use:
Labor Operation | Description | Labor Time |
|---|---|---|
K3161 | Synchronizers - 3rd-4th -- Remove & Replace or Replace | Use Published Labor Operation Time |
